CN208404705U - Handle assembly and stapler including it - Google Patents
Handle assembly and stapler including it Download PDFInfo
- Publication number
- CN208404705U CN208404705U CN201721849675.9U CN201721849675U CN208404705U CN 208404705 U CN208404705 U CN 208404705U CN 201721849675 U CN201721849675 U CN 201721849675U CN 208404705 U CN208404705 U CN 208404705U
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- handle
- command
- sliding block
- stapler
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- 238000009527 percussion Methods 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 6
- 210000003899 penis Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000003872 anastomosis Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003953 foreskin Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000014617 hemorrhoid Diseases 0.000 description 1
- 206010034878 phimosis Diseases 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model provides a kind of handle assembly and the stapler including it, including the first in command and second handle, the first in command and second handle can be rotated around the first pin shaft, and second handle is resetted by the first torsional spring, the first in command is resetted by the second torsional spring, it is provided with sliding block and sliding slot on the first in command or second handle, when the sliding block is mobile to second end from the first segment of sliding slot, never linkage status enters linkage status for the first in command and second handle.Handle assembly is divided into the first in command and second handle by the utility model；Stapler not up to can cock when, the first in command can be pressed, but second handle will not rotate, and would not also fire stapler；Pass through two torsional springs and two pin shafts, the first in command and second handle are rotatably connected and may be implemented to reset, and the same rotation center rotation of two one or two winding by hands, and the rotation center of failure state and cock is constant, structure is more stable, and the usage experience of operator is more preferable.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to stapling technique fields, and in particular to a kind of
Hand component and stapler including it.
Background technique
Tumor in digestive tract is high-incidence one of the disease of the mankind, over the course for the treatment of, is often used circular-pipe anastomat and replaces doctor
Raw manual operations carries out the physiological tissues such as alimentary canal identical.Circular-pipe anastomat is a kind of common surgical operating instrument,
The inside bookbinding form of axis is mostly used greatly, end-to-end or end pair is formed to physiological tissues such as oesophagus, stomach, enteron aisles during operation
Side coincide, and two sections of tissues are containing when coincideing is contained in stapler, and circular anastomosis mouth, weight are organizationally formed after the completion of percussion
Anatomic passages are built.
In the prior art, circular-pipe anastomat includes stapler ontology, the handle group for being flexibly connected the stapler ontology
Part and nail-anvil assembly with the body fits.The stapler ontology includes the nail bin groupware set on distal end, the nail bin
Component includes annular nail bin, cutter；And the knob set on body proximal end, the knob can be rotated relative to ontology.It is remote herein
End and proximal end are for operator, are proximal end apart from the closer one end of operator, apart from the farther away one end of operator,
It is distal end closer to one end of surgery location.The nail-anvil assembly includes nail anvil, the nail-anvil hat being arranged at the top of nail anvil, setting
Knife anvil inside nail anvil, and the nail anvil shaft detachably connected with stapler ontology.In the course of surgery, detachment removal is swollen
After tumor tissue, nail anvil shaft is pierced by from the pocket of tissue one end, is configured at the distal end of stapler ontology, rotates knob, make nail anvil and
The distance between nail bin is gradually reduced reaches a suitable distance after, reach can cock, handle firing device could be held
Tool is completed to coincide.With the continuous development of medical instrument, circular-pipe anastomat is also applied to the diseases such as hemorrhoid more and more widely
Treatment.
Meanwhile in the operation that Urological Field treats redundant prepuce and phimosis, also there is another form
Circular-pipe anastomat, i.e. prepuce anastomat.Prepuce anastomat is also described in the prior art, and structure is similar to above-mentioned disappear
Change road circular-pipe anastomat, difference is only that with the body fits be glans penis cap assembly.It is similar, the glans penis cap assembly
Including nail anvil, the glans penis cap being fixedly connected with nail anvil, knife anvil, and the center-pole detachably connected with stapler ontology.?
In surgical procedure, prepuce tissues to be cut off are fixed on glans penis cap, center-pole is then configured at the remote of stapler ontology
End rotates knob, is gradually reduced the distance between glans penis cap and nail bin and reaches one suitably after, shape can be fired by reaching
State could hold handle percussion instrument and complete to coincide.
With the development of technology, people improve the percussion transmission mechanism of circular-pipe anastomat, increase
Insurance mechanism, stapler not up to can cock when, even if doctor presses handle, due to the effect of insurance mechanism, handle
Also it can not press, so as to avoid operative failure caused by instrument percussion.However, under actual conditions, however it remains there is some lack
It falls into, such as the usage experience of doctor is not high, if in addition doctor firmly presses handle, the casing that may result in stapler is opened
It splits.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of handle assembly and including its kiss
Clutch, stapler not up to can cock when, the first in command and second handle do not link, would not also fire stapler,
And the rotation center of two handles is unified.
The utility model embodiment provides a kind of handle assembly, and for the percussion of stapler, the handle assembly includes:
The first in command and second handle；
First torsional spring and the first pin shaft, first pin shaft are fixed on the shell of the stapler and are arranged in described first
In handle and second handle, first torsion spring set is set on first pin shaft, and the both ends of first torsional spring are supported respectively
Touch the shell and the second handle of the stapler；
Second torsional spring and the second pin shaft, second pin shaft are fixed on the shell of the stapler, second torsion spring set
On second pin shaft, and the both ends of second torsional spring contradict the shell and the first of the stapler respectively
Hand；
Sliding slot and sliding block, the sliding slot are set on the first in command or the second handle, and the sliding slot includes phase
The of the first segment and second segment of connection, and the sliding block is slidably set in the sliding slot, the sliding block and the sliding slot
Sliding block reseting pressuring spring is provided between two ends；
When the sliding block is located at the first segment of the sliding slot, the first in command and second handle do not link；When described
When sliding block is located at the second segment of the sliding slot, the first in command and second handle are linked by the sliding block.
Optionally, the sliding slot is located on the first in command, and the second handle includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block is not contradicted with the handle abutting portion, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block and the handle abutting portion contradict and the second handle are driven to rotate from the safety position to firing position.
Optionally, the first in command includes first cavity with two sides side wall, the two side walls of first cavity
It is respectively arranged with a sliding slot, the sliding block includes two abutting portions between sliding part and sliding part, described two slidings
Portion is slidably set to respectively in a sliding slot.
Optionally, the end of the second segment of the sliding part and the sliding slot is respectively arranged with the first position limiting structure and second
Position limiting structure is respectively arranged with the sliding block reseting pressuring spring between first position limiting structure and corresponding second position limiting structure.
Optionally, the outside of the first in command is additionally provided with handle housing, and the handle housing is corresponding with the sliding slot
Position be also equipped with fluting, the fluting include respectively first segment corresponding with the first segment of the sliding slot and second segment and
Second segment；The end of the second segment of the sliding part and the fluting is respectively arranged with the first position limiting structure and the second limit knot
Structure is provided with the sliding block reseting pressuring spring between first position limiting structure and corresponding second position limiting structure.
Optionally, the first end of the first in command is grip part, and the second end of the first in command includes interconnecting piece；Institute
The first end for stating second handle is located at the inside cavity of the interconnecting piece；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, described
Second chief goes successively to the inside cavity of the first in command；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the cunning
Block stops the second handle to go successively to the inside cavity of the first in command.
Optionally, first pin shaft and the second pin shaft are arranged in parallel, the inner wall of two side bodies of the stapler
It is separately provided for fixing the first fixed column of the first end part of pin shaft；The inner wall of two side bodies of the stapler is respectively set
There is the second fixed column for fixing the second end part of pin shaft.
Optionally, the stapler is internally provided with support column, and the both ends of the support column are individually fixed in the kiss
Two side bodies of clutch, the first end of first torsional spring contradicts the support column, and the second end of first torsional spring contradicts
The inner wall of the second handle.
Optionally, fixed plate, one end of the fixed plate are provided between the support column and the shell of the stapler
It is provided with the arc groove that part coats the support column, the other end of the fixed plate is fixed on the shell of the stapler；
One end of the fixed plate is additionally provided with the first bending part, and the side of the fixed plate is provided with described in the cladding of part
The torsional spring receiving portion of second torsional spring, the second end of the first in command are provided with the second bending part, and the first of second torsional spring
End contradicts first bending part, and the second end of second torsional spring catches on second bending part.
Optionally, the sliding slot is located on the second handle, and the first in command includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, described
Hand abutting portion is not contradicted with the sliding block, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, described
Hand abutting portion and the sliding block contradict and the second handle are driven to rotate from the safety position to firing position.
Optionally, position of the sliding block in the sliding slot is controlled by a pointer, and the pointer can be in first position area
It moves between domain and second position region, when the pointer is mobile to second position region from the first position region, drives
The sliding block is moved to second end from the first segment of the sliding slot.
Optionally, the pointer is connected to the distal end of pulling-on piece, and the proximal end of the pulling-on piece is sheathed on screw rod, the screw rod distal end
Equipped with knob, rotates the knob and the pulling-on piece is driven to move to the near end, the pulling-on piece drives the pointer from first position area
Domain is mobile to second position region.
The utility model embodiment also provides a kind of stapler, including the handle assembly.
It handle assembly provided by the utility model and is had the advantage that including its anastomosis apparatus
The utility model provides a kind of handle assembly and the stapler including it, by the way that handle assembly is divided into the first
Hand and second handle, the only athleticism of second handle enough fire stapler and execute cutting and suture movement；In use process
In, no matter stapler whether reach can cock, doctor can press the first in command, however, stapler not up to can
When cock, the first in command will not drive second handle, would not also fire stapler；Pass through two torsional springs and two pin shafts
Design, the first in command and second handle be rotatably connected and may be implemented to reset, realize the first in command and second handle around
The rotation center of the same rotation center rotation, failure state and cock is constant, and structure is more stable, the use of operator
Experience is more preferable.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the structural schematic diagram of the stapler of an embodiment of the present invention；
Fig. 2 is the front view when handle assembly of an embodiment of the present invention is in original state；
Fig. 3 is the perspective view in Fig. 2 at A；
Fig. 4 is the inner wall schematic diagram of a side body of the stapler of an embodiment of the present invention；
Fig. 5 is that the handle assembly of an embodiment of the present invention is applied to the structural schematic diagram of prepuce anastomat；
Fig. 6~7 are the structural schematic diagrams when handle assembly of an embodiment of the present invention is in original state；
Fig. 8 is that the handle assembly of an embodiment of the present invention is in the explosive view of original state；
Fig. 9 is the first in command of an embodiment of the present invention and the schematic diagram of second handle connection relationship；
Figure 10 is the structural schematic diagram of sliding block and pointer cooperation in Fig. 2；
Figure 11 is the structural schematic diagram of pulling-on piece and pointer cooperation in Fig. 2；
Figure 12~Figure 14 is the structural schematic diagram when handle assembly of an embodiment of the present invention is in failure state；
Figure 15 is the handle assembly of an embodiment of the present invention in the explosive view for being failure state；
Figure 16 is the structural schematic diagram of sliding block and pointer cooperation in Figure 12；
Figure 17~Figure 19 is the structural schematic diagram when handle assembly of an embodiment of the present invention is in cock；
Figure 20 is that the handle assembly of an embodiment of the present invention is in the explosive view of cock；
Figure 21 is the structural schematic diagram of sliding block and pointer cooperation in Figure 17；
Figure 22 is that the handle assembly of another embodiment of the utility model is in the structural schematic diagram of original state；
Figure 23 is that the handle assembly of another embodiment of the utility model is in the structural schematic diagram of failure state；
Figure 24 is that the handle assembly of another embodiment of the utility model is in the structural schematic diagram of cock.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicate same or similar structure, thus repetition thereof will be omitted.
The structure of the stapler of an embodiment of the present invention as shown in figure 1.Wherein the distal end of stapler is provided with nail
Storehouse component 72 and nail-anvil assembly 73, proximal end are provided with knob 71 and handle assembly, and the outside of handle assembly is provided with handle shell
16, the percussion of stapler may be implemented by pressing handle assembly.
The handle assembly that Fig. 2~11 show an embodiment of the present invention is located at the structure of original state, wherein in order to
Clearly show that the structure of handle assembly and the cooperation of itself and other parts, partial shell or members have been left out.In order to
Realize above-mentioned purpose, handle assembly is segmented by the utility model, is divided into the first in command 1 and second handle 2, and only work as
Second handle 2 is only when rotating can fire stapler.It is equipped with the first pin shaft simultaneously in the first in command 1 and second handle 2
31, the first pin shaft 31 is fixed on the shell 74 of stapler, and is arranged with the first torsional spring 32 thereon.Distinguish at the both ends of first torsional spring 32
The shell 74 and the second handle 2 for contradicting the stapler, can be by the if releasing external force after the rotation of second handle 2
Second chief 2 resets.
Since the first in command 1 and second handle 2 are rotated around the first pin shaft 31, the first in command 1 and second
The rotation center of hand 2 is unified, and the experience of operator is more preferable, and rotation center is all constant under failure state and under cock, together
When, can by handle design be open smaller, and appearance is more good-looking, and the structure of handle assembly and stapler is also more stable.
In addition, being also provided with the second torsional spring 34 and the second pin shaft 33, the reset for the first in command 1.Second pin shaft 33 is solid
Due to the shell 74 of stapler, the second torsional spring 34 is sheathed on the second pin shaft 33, and the both ends of the second torsional spring 34 contradict kiss respectively
The shell 74 of clutch and the first in command 1.
In order to realize the linkage of the first in command 1 and second handle 2, sliding slot 41 and sliding block are additionally provided on the first in command 1
42, sliding slot 41 includes the first segment 411 and second segment 412 being connected, and second handle 2 includes handle abutting portion 25；When sliding block 42
Positioned at the first segment 411 of sliding slot 41, and the first in command 1 is held when being rotated in a first direction, sliding block 42 not with handle abutting portion
25 contradict, and second handle 2 is located at safety position, although that is, the first in command 1 rotates, but not fires stapler, in failure shape
State.In this embodiment, first direction is counter clockwise direction shown in figure, but the utility model is without being limited thereto.Therefore, doctor
When holding the first in command 1, the first in command 1 can be made to rotate easily, but without triggering second handle 2, simultaneously as at this time
It is sky cock, it is very small for holding the power of the first in command 1.Doctor can also recognize current kiss by this operating experience
The state of clutch is the casing rupture for being in non-cock, and not will cause stapler.
When sliding block 42 is located at the second segment 412 of sliding slot 41, and the first in command 1 is held when being rotated in the counterclockwise direction, sliding
Block 42 and handle abutting portion 25 contradict and second handle 2 are driven to rotate from safety position to firing position.When second handle 2 is along inverse
It when clockwise rotates, can push ejector pin bar 75 mobile to the distal end of stapler simultaneously, and then drive percussion stapler.
It should be noted that the first segment 411 and second segment 412 of sliding slot 41 described in the utility model are one relatively general
It reads, and is not necessarily two ends of sliding slot 41, i.e., in visual angle shown in figure, the first segment 411 of sliding slot 41 is located at second
The right side of section 412.It when sliding block 42 is located at the first segment 411 of sliding slot 41, will not interfere with handle abutting portion 25, and be located at sliding slot 41
Second segment 412 when, it will with handle abutting portion 25 interfere.
In this embodiment, the first in command 1 includes first cavity 13 with two sides side wall, two sides of the first cavity 13
Wall is respectively arranged with a sliding slot 41, and sliding block 42 includes the abutting portion 422 between two sliding parts 421 and sliding part 421, two cunnings
Dynamic portion 421 is slidably set to respectively in a sliding slot 41.The outside of the first in command 1 is provided with handle housing 16, handle housing 16
Position corresponding with sliding slot 41 is also equipped with fluting, the first segment and second segment of fluting respectively with the first segment 411 of sliding slot 41 and
Second segment 412 is corresponding.In order to realize the limit of sliding block 42 after movement, sliding part 421 is provided with the first position limiting structure 43, opens
The end of the second segment of slot is provided with the second position limiting structure, is respectively arranged between the first position limiting structure 43 and the second position limiting structure
One sliding block reseting pressuring spring 45.
Sliding block 42 from the first segment 411 of sliding slot 41 to the movement of second segment 412 is controlled by pointer 5.Pointer 5 includes
The first end 51 of first end 51, positioning region 53 and second end 52, pointer 5 is provided with protruding portion 54, the protruding portion 54 and a pulling-on piece 6
61 position of drag hook it is corresponding, the positioning region 53 of pointer 5 is rotatably affixed at the shell 74 of stapler.The tail portion 62 of pulling-on piece 6 is solid
Due to can move on a screw rod 76 and with the movement of screw rod 76.When knob 71 is rotated along a direction, screw rod 76 is understood to close
End movement, drives pulling-on piece 6 to move to the near end, and the drag hook 61 of pulling-on piece can drive the first end 51 of pointer 5 to rotate in a second direction,
So that when the first end 51 of pointer 5 is mobile to second position region from first position region, the second end 52 and then band of pointer 5
Movable slider 42 is mobile from the first segment 411 of sliding slot 41 to the second segment 412 of sliding slot 41.In this embodiment, second direction is figure
Shown in clockwise, but the utility model is without being limited thereto.Wherein correspond to first position region on stapler ontology
With a form is equipped at the region of the second position, for observing pointer first end 51 the location of in use, pointer the
One end 51 is in safety position, stapler cannot fire at this time, when pointer first end 51 is at first position region
When the region of the second position, stapler can be fired, and in order to more intuitively to doctor to prompt, corresponding on form can be fired
Second position region is green area, and the prior art has had announcement.
In this embodiment, the fixation of first pin shaft 31 and the second pin shaft 33 may refer to Fig. 3~Fig. 4.Wherein,
One pin shaft 31 and the second pin shaft 33 are arranged in parallel, and the inner wall of two side bodies 74 of stapler is separately provided for fixing
First fixed column 747 of one pin shaft, 31 end；The inner wall of two side bodies 74 of stapler is separately provided for fixing the second pin
Second fixed column 748 of 33 end of axis.First pin shaft, 31 both ends are inserted in corresponding first fixed column 747, the second pin shaft 33
Both ends are inserted in corresponding second fixed column 748.Stapler is internally provided with support column 742 for limiting the first torsional spring 32
Position of the first end on shell, support column 742 is parallel to the first pin shaft 31.The both ends of support column 742 are individually fixed in kiss
Two side bodies 74 of clutch, the first end of the first torsional spring 32 contradict support column 742, and second end contradicts the inner wall of second handle 2.?
As can be seen that the second end of the first torsional spring 32 contradicts the inner wall of handle abutting portion 25 in figure.The shell of support column 742 and stapler
Between be provided with fixed plate 743, to support and fix the position of support column 742, one end of fixed plate 743 is provided with part cladding
The arc groove 744 of support column 742, the other end of fixed plate 743 are fixed on the shell 74 of stapler, play the work for reinforcing shell
With；One end of fixed plate 743 is additionally provided with the first bending part 745, and the side of fixed plate 743 is provided with part and coats the second torsional spring
34 torsional spring receiving portion 746, the second end of the first in command 1 are provided with the second bending part 121, and the first end of the second torsional spring 34 contradicts
First bending part 745, and the second end of the second torsional spring 34 catches on the second bending part 121.
The utility model can be applied not only to conventional circular-pipe anastomat, can also be applied to prepuce anastomat.Example
As shown in figure 5, showing the structure of the prepuce anastomat ontology 8 using the handle assembly.It wraps the distal end of prepuce anastomat ontology 8
Nail bin groupware 81 is included, the glans penis cap assembly (not shown) cooperated with nail bin groupware 81 is additionally provided with.It is kissed using foreskin
When clutch, second handle 2 is movably attached to one end of prepuce anastomat, the second end of second handle 2 and pushing away for prepuce anastomat
Nail component matches, and when condition can be fired by meeting, second handle 2 will push ejector pin component, realize the percussion of prepuce anastomat.
It is located at structure when failure state such as handle assembly that Figure 12~16 show the embodiment.Under the state, pulling-on piece 6
Pointer 5 is not pulled, therefore 51 position of first segment of pointer 5 does not change, be still within first position region, the still position of sliding block 42
In the first segment 411 of sliding slot 41, in the rotating path of the first in command 1, the handle abutting portion 25 of sliding block 42 and second handle 2 is not
It interferes.It is noted that sliding block 42 is located at 41 first segment of sliding slot under the action of sliding block reseting pressuring spring 45 when initial position
Separate second segment the end be illustrate right end position.It can certainly be the second end 52 by pointer 41 come to sliding block 42
Initial position is limited.In this embodiment, the first end 11 of the first in command 1 is grip part, and second end 12 includes interconnecting piece；
The first end 21 of second handle 2 is located at the inside cavity of interconnecting piece, and second end 22 and ejector pin bar 75 contradict.At this point, instrument is in
Safety position.Since the torsion of the second torsional spring 34 is much smaller compared with percussion force, the first in command 1 is by the lesser gripping of operator
When power, it can be rotated counterclockwise around the first pin shaft 31, second handle 2 goes successively to the inside cavity of the first in command 1, the i.e. first
Hand 1 and second handle 2 are in linkage status, second handle 2 do not rotate.Operator hold with a firm grip the first in command 1 when, can be light
Changing places rotates the first in command 1, but not will drive the rotation of second handle 2, is also just unable to complete the percussion of stapler.Behaviour
Author can also obtain touch feedback at this time, it is thus understood that 5 first end 51 of current pointer is not up to second position region, does not fire.
When external force releases, the first in command 1 resets under the action of the second torsional spring 34.
It is located at structure when cock such as handle assembly that Figure 17~21 show the embodiment.Under the state, rotation
Knob 71 makes screw rod 76 that pulling-on piece 6 be driven to move to the near end, and the first end 51 of pointer 5 is driven to move along clockwise direction, so that
5 first end 51 of pointer enters second position region from first position region, and the second end 52 of pointer 5 pushes sliding block 42, make its to
The second segment 412 of sliding slot 41 is moved to interferes with handle abutting portion 25.When the first in command 1 is held rotation counterclockwise, sliding block
42 contradict with handle abutting portion 25 and second handle 2 are stopped to go successively in the internal cavity of the first in command 1.As a result, second
Handle 2 and the first in command 1 become linkage status.Second handle 2 rotates counterclockwise with the first in command 1, the second end of second handle 2
22 push ejector pin bar 75, and ejector pin bar 75 can further push the pushing slice of nail and annular cutter of stapler, to the tissue performed the operation
It is sutured and is cut.
It is further compressed in the moving process of sliding block 42 from can be seen that sliding block reseting pressuring spring 45 in Figure 17~21.
Pulling-on piece abutting portion 23 is additionally provided on second handle 2, when second handle 2 is rotated from safety position to firing position, pulling-on piece is contradicted
Portion 23 can jack up pulling-on piece 6 at ejection vertex 231, be detached from the drag hook 61 of pulling-on piece 6 and pointer 5.At this point, pointer 5 is resetting bullet
It can restore automatically under the action of spring to initial position.Using the structure of single rotation center of the embodiment, pulling-on piece abutting portion 23 away from
Closer from pulling-on piece contact point, pulling-on piece 6 is easier to be ejected, be less prone to ejection failure and cause pointer not return the phenomenon that.By
It is back to first position region in the first end 51 of pointer 5, the second end 52 and sliding block 42 of pointer 5 are detached from.Then, it is losing
After the thrust of pointer 5, sliding block 42 can be back to the first segment of sliding slot 41 under the action of the restoring force of sliding block reseting pressuring spring 45
411, it completes to reset.After the completion of stapler percussion, the first in command 1 is unclamped, second handle 2 is under the restoring force of the first torsional spring 31
It resets；The first in command 1 is due to being engaged under the action of sliding block with second handle 2, first as second handle 2 is multiple
Position, while being resetted under the action of the second torsional spring 34 again.
Further, in this embodiment, it is set at position corresponding with the first end 51 of pointer 5 in the shell 74 of stapler
It is equipped with a sheet metal 77, when the recovery of pointer 5 to initial position, meeting and sheet metal 77 are hit, and be made a sound, and prompt operator
Pointer 5 has resetted.
As shown in figure 13, further, in this embodiment, in order to limit initial position the first in command 1 position, prevent
Only the subtended angle of the first in command 1 is excessive, and the inside cavity of the second end 12 of the first in command 1 is provided with limit pin shaft 14, second
The first end 21 of hand 2 is provided with second handle limiting section 24；The first in command 1 is not pressurized when rotating, and limit pin shaft 14 and handle limit
Position portion 24 is against accurate to the first in command 1 one in original state to stop the first in command 1 to be rotated clockwise along figure
Initial position.But limit pin shaft 14 and second handle limiting section 24 rotate not shadow for the counterclockwise of the first in command 1
It rings, therefore will not influence the normal work of handle assembly.Meanwhile being arranged using this kind, the initial of second handle 2 can also be limited
Position.
It as shown in figs. 22-24, is the structural schematic diagram of the handle assembly of another embodiment of the utility model.In the embodiment
In, the technology contents different from previous embodiment have: the second position limiting structure limited to sliding block reseting pressuring spring 45 is directly set
It is placed in the end of the second segment 412 of sliding slot 41.In addition, in this embodiment, the contact of the first in command 1 and the shell 74 of stapler
Place is provided with first in command's limiting section 15, and the shell 74 of stapler is correspondingly arranged on shell limiting section 741；The first in command 1 not by
When pressure rotation, first in command's limiting section 15 and shell limiting section 741 are against to stop the first in command 1 to be rotated in a clockwise direction.
As shown in figure 22, handle assembly is located at original state, and pulling-on piece 6 does not pull pointer 5 to rotate, and pointer 5 is in first
Region is set, sliding block 42 is located at the first segment 411 of sliding slot 41.As shown in figure 23, handle assembly is located at failure state, second handle 2
The cavity of the first in command 1 is gone successively to, the two does not link, and holding the first in command 1 can not achieve the percussion of stapler.Such as Figure 24 institute
Show, handle assembly is in cock, rotates knob 71, makes pulling-on piece 6 that pointer 5 be pulled to be rotated in a clockwise direction, and sliding block 42 is sliding
The second segment 412 of trend sliding slot 41 holds the first in command 1, while second handle 2 being driven to rotate counterclockwise, pushes ejector pin bar 75,
Complete the percussion of stapler.After percussion, the reset state of various components is same as above an embodiment, herein not with repeat.
Since handle end has a certain distance between shell, operator is often difficult to judge whether stapler is in
Complete cock.Therefore, in this embodiment, it is additionally provided with a rubber tack 78 on the shell of stapler 74, is holding
When the first in command 1, the first end tail portion of the first in command 1 can visually prompt the operator first in command 1 close to rubber tack 78
First end 11 arrived the shell 74 of stapler, stapler fires in place.
It is as described above only two preferred embodiments of the utility model, in practical applications, it is also an option that its
His variations and combinations, belong within the protection scope of the utility model.For example, sliding slot and sliding block are not limited to be set to first
On handle, also it can be set on second handle, the first in command correspondingly has handle abutting portion.Second handle has the second chamber
Body, the second end section of the first in command are located at the inside of the second cavity.When sliding block is located at the first segment of sliding slot, and first in command edge
When first direction rotates, handle abutting portion is not contradicted with sliding block, and the first in command goes successively to the inside cavity of second handle, and second
Handle is located at safety position；When sliding block is located at the second segment of sliding slot, and the first in command is rotated in a first direction, handle abutting portion
It is contradicted with sliding block, prevents the first in command from going successively to the inside cavity of second handle, to drive second handle from safety position
It is rotated to firing position, realizes the percussion of stapler.
The utility model embodiment also provides a kind of stapler, including the handle assembly.It can not up to be hit in stapler
When hair-like state, the first in command will not drive second handle, would not also fire stapler, doctor can also by operating experience come
Judge cock, only stapler reach can cock when, the movement of the first in command just will drive the movement of second handle,
And then fire stapler.Thus on the basis of avoiding stapler from being sent out by mistakenly hit, while avoiding that stapler casing cracking occurs
Situation.In addition, the utility model is unified by the rotation center of the first in command and second handle, so that the overall structure of stapler is more
Add stabilization, the opening of handle can be designed smaller in shell, have more attractive appearance.
It handle assembly provided by the utility model and is had the advantage that including its anastomosis apparatus
The utility model provides a kind of handle assembly and the stapler including it, by the way that handle assembly is divided into the first
Hand and second handle, the only athleticism of second handle enough fire stapler and execute cutting and suture movement；In use process
In, no matter stapler whether reach can cock, doctor can press the first in command, however, stapler not up to can
When cock, the first in command will not drive second handle, would not also fire stapler；Pass through two torsional springs and two pin shafts
Design, the first in command and second handle be rotatably connected and may be implemented to reset, realize the first in command and second handle around
The rotation center of the same rotation center rotation, failure state and cock is constant, and structure is more stable, the use of operator
Experience is more preferable.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (13)
1. a kind of handle assembly, the percussion for stapler, which is characterized in that the handle assembly includes:
The first in command and second handle；
First torsional spring and the first pin shaft, first pin shaft are fixed on the shell of the stapler and are arranged in the first in command
In second handle, first torsion spring set is set on first pin shaft, and the both ends of first torsional spring contradict institute respectively
State the shell and the second handle of stapler；
Second torsional spring and the second pin shaft, second pin shaft are fixed on the shell of the stapler, and second torsion spring set is set to
On second pin shaft, and the both ends of second torsional spring contradict respectively the stapler shell and the first in command；
Sliding slot and sliding block, the sliding slot are set on the first in command or the second handle, and the sliding slot includes being connected
First segment and second segment, and the sliding block is slidably set in the sliding slot, the second end of the sliding block and the sliding slot
Between be provided with sliding block reseting pressuring spring；
When the sliding block is located at the first segment of the sliding slot, the first in command and second handle do not link；When the sliding block
When positioned at the second segment of the sliding slot, the first in command and second handle are linked by the sliding block.
2. handle assembly according to claim 1, which is characterized in that the sliding slot is located on the first in command, described
Second handle includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block is not
It is contradicted with the handle abutting portion, the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block with
The handle abutting portion contradicts and the second handle is driven to rotate from the safety position to firing position.
3. handle assembly according to claim 2, which is characterized in that the first in command includes with two sides side wall
One cavity, the two side walls of first cavity are respectively arranged with a sliding slot, and the sliding block includes two sliding parts and cunning
Abutting portion between dynamic portion, described two sliding parts are slidably set to respectively in a sliding slot.
4. handle assembly according to claim 3, which is characterized in that the end of the second segment of the sliding part and the sliding slot
Portion is respectively arranged with the first position limiting structure and the second position limiting structure, first position limiting structure and corresponding second position limiting structure it
Between be respectively arranged with the sliding block reseting pressuring spring.
5. handle assembly according to claim 3, which is characterized in that the outside of the first in command is additionally provided with handle shell
Body, handle housing position corresponding with the sliding slot are also equipped with fluting, the fluting include respectively with the sliding slot
First segment and the corresponding first segment of second segment and second segment；The end of the second segment of the sliding part and the fluting is set respectively
It is equipped with the first position limiting structure and the second position limiting structure, is provided between first position limiting structure and corresponding second position limiting structure
The sliding block reseting pressuring spring.
6. handle assembly according to claim 3, which is characterized in that the first end of the first in command is grip part, institute
The second end for stating the first in command includes interconnecting piece；The first end of the second handle is located at the inside cavity of the interconnecting piece；
It is described second when the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction
Hand goes successively to the inside cavity of the first in command；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the sliding block resistance
Keep off the inside cavity that the second handle goes successively to the first in command.
7. handle assembly according to claim 1, which is characterized in that first pin shaft and the second pin shaft are parallel to each other and set
It sets, the inner wall of two side bodies of the stapler is separately provided for fixing the first fixed column of the first end part of pin shaft；It is described
The inner wall of two side bodies of stapler is separately provided for fixing the second fixed column of the second end part of pin shaft.
8. handle assembly according to claim 7, which is characterized in that the stapler is internally provided with support column, institute
The both ends for stating support column are individually fixed in two side bodies of the stapler, and the first end of first torsional spring contradicts the support
Column, and the second end of first torsional spring contradicts the inner wall of the second handle.
9. handle assembly according to claim 8, which is characterized in that between the support column and the shell of the stapler
It is provided with fixed plate, one end of the fixed plate is provided with the arc groove that part coats the support column, the fixed plate
The other end is fixed on the shell of the stapler；
One end of the fixed plate is additionally provided with the first bending part, and the side of the fixed plate is provided with part cladding described second
The torsional spring receiving portion of torsional spring, the second end of the first in command are provided with the second bending part, and the first end of second torsional spring is supported
First bending part is touched, and the second end of second torsional spring catches on second bending part.
10. handle assembly according to claim 1, which is characterized in that the sliding slot is located on the second handle, described
The first in command includes handle abutting portion；
When the sliding block is located at the first segment of the sliding slot, and the first in command is rotated in a first direction, the handle is supported
Contact portion is not contradicted with the sliding block, and the second handle is located at safety position；
When the sliding block is located at the second segment of the sliding slot, and the first in command is rotated in a first direction, the handle is supported
Contact portion and the sliding block contradict and the second handle are driven to rotate from the safety position to firing position.
11. handle assembly according to claim 1, which is characterized in that position of the sliding block in the sliding slot is by one
Pointer control, the pointer can move between first position region and second position region, and the pointer is from described first
Region is set to when the movement of second position region, the sliding block is driven to be moved to second segment from the first segment of the sliding slot.
12. handle assembly according to claim 11, which is characterized in that the pointer is connected to the distal end of pulling-on piece, described
The proximal end of pulling-on piece is sheathed on screw rod, and the screw rod distal end is equipped with knob, rotates the knob and the pulling-on piece is driven to move to the near end,
The pulling-on piece drives the pointer mobile from first position region to second position region.
13. a kind of stapler, which is characterized in that including handle assembly described in any one of claims 1 to 12.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849675.9U CN208404705U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including it |
| PCT/CN2018/120697 WO2019128719A1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| JP2020535540A JP7029539B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler containing it |
| RU2020124375A RU2738580C1 (en) | 2017-12-26 | 2018-12-12 | Assembled handle and a stapling apparatus comprising a handle assembly |
| BR112020012735-3A BR112020012735A2 (en) | 2017-12-26 | 2018-12-12 | lever and stapler assembly including the same |
| EP18894080.3A EP3733087A4 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| KR1020207019455A KR102410828B1 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler comprising same |
| CA3087301A CA3087301C (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| US16/957,564 US11350941B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
| AU2018398829A AU2018398829B2 (en) | 2017-12-26 | 2018-12-12 | Handle assembly and stapler including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849675.9U CN208404705U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208404705U true CN208404705U (en) | 2019-01-22 |
Family
ID=65120396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721849675.9U Withdrawn - After Issue CN208404705U (en) | 2017-12-26 | 2017-12-26 | Handle assembly and stapler including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208404705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109953793A (en) * | 2017-12-26 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
-
2017
- 2017-12-26 CN CN201721849675.9U patent/CN208404705U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109953793A (en) * | 2017-12-26 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Handle assembly and stapler including it |
| CN109953793B (en) * | 2017-12-26 | 2024-02-13 | 天臣国际医疗科技股份有限公司 | Handle assembly and anastomat comprising same |
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Address after: 215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after: Tianchen International Medical Technology Co.,Ltd. Address before: 215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |
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Granted publication date: 20190122 Effective date of abandoning: 20240213 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20240213 |